Question

I WILL FAN!!!!
Which inequality best represents the situation?
A bamboo stalk grows at a rate of 3 centimeters per day. Lisa plants a 9-centimeter bamboo stalk in her yard. How many days will it take for the stalk to be at least 300 cm tall?

A.
3x + 9 ≥ 300

B.
3x – 9 ≤ 300

C.
9x + 3 ≥ 300

D.
9x – 3 ≤ 300

Answer 1

@Luigi0210

Answer 2

@Kainui

Answer 3

@Nnesha

Answer 4

anyone

Answer 5

:(

Answer 6

per means times multiply
and the day represent the x variable

Answer 7

`grows at a rate of 3 centimeters per day` how would you translate that into math expression and remember she added some more plants in her yard not removed .

Answer 8

a?

Answer 9

I'm kinda thinking C here. But I'm horrible at math, so..

Answer 10

I thought it was c too

Answer 11

that was my first choice

Answer 12

then why do you think its a now ?

Answer 13

Because you said 3 and that shes adding plants

Answer 14

@cmcdnciujfdmcijfikioi It's going to take 34 days. And 9 x 34 = 306. 306 is greater than 300 so B and D are ruled out

Answer 15

right so what about the key word here `per` ?

Answer 16

@Nnesha Ha, you're right..I'm stupid XD

Answer 17

3 per day
and the day represented by x variable how would you translate that into math expression
`3 per day`

Answer 18

no you're not.

Answer 19

@Nnesha I'm rethinking this problem

Answer 20

let him think ;)

Answer 21

him or her i mean cmcdnciujfdmcijfikioi

Answer 22

I'm still confused

Answer 23

wait so

Answer 24

a is right then isn't it

Answer 25

I think it's gonna take 102 days now

Answer 26

if its 3 per day per mean multiply

Answer 27

so 3x

Answer 28

A

Answer 29

there wo go

Answer 30

\(\color{blue}{\text{Originally Posted by}}\) @cmcdnciujfdmcijfikioi
so 3x
\(\color{blue}{\text{End of Quote}}\)
thats what i was looking for

Answer 31

THANKS SO MUCH!!!!
would either of you mind helping with one more

Answer 32

Nah I wouldn't mind :P

Answer 33

Thank you!

Answer 34

so by just reading first sentence
where is key word `3 per day` you can cancel out C and D and remember `at least` sign is \[\ge \]

Answer 35

You want to know how many cups of birdseed are in each new bag. Which situation about Hayley’s birdseed best represents the equation ?
x/3 + 1 = 25
A.
She had 3 new bags of birdseed and dropped 1 cup on the ground. After that, she had 25 cups of birdseed left.

B.
She had 3 new bags of birdseed and then bought 1 more bag. After that, she had 25 cups of birdseed.

C.
She had 3 new bags of birdseed, and one of them was missing 1 cup of birdseed. After that, she had 25 cups of birdseed.

D.
She had 3 new bags of birdseed and 1 cup of leftover birdseed in another bag. After that, she had 25 cups of birdseed.

Answer 36

woah..ok

Answer 37

lol

Answer 38

:P

Answer 39

d was the answer I thought made the most sense